A198710 - cp's OEIS frontend

A198710 Number of n X 3 0..3 arrays with values 0..3 introduced in row major order and no element equal to any horizontal or vertical neighbor.

n	a(n)
1	2
2	25
3	401
4	6548
5	107042
6	1749965
7	28609241
8	467717288
9	7646461682
10	125007943505
11	2043688517681
12	33411178843628
13	546221629207922
14	8929887496964645
15	145989990956749721
16	2386712874803449568
17	39019101990629849762

[2, 25, 401, 6548, 107042, 1749965, 28609241, 467717288, 7646461682, 125007943505, 2043688517681, 33411178843628, 546221629207922, 8929887496964645, 145989990956749721, 2386712874803449568, 39019101990629849762]

cp's OEIS Frontend

A198710 Number of n X 3 0..3 arrays with values 0..3 introduced in row major order and no element equal to any horizontal or vertical neighbor.

Table of values

List of values